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DATA_MEM_BANK pragma warning

Started by joseph_lyons_79 ●November 1, 2004


Hi,

I'm declaring the following in my code for use on the C6711DSK -

# pragma DATA_MEM_BANK( PSD_W, 2);
const float PSD_W[1536] =
{
1.000000, 0.000000, 0.999981, 0.006136, 0.999925,
...
};

This is my twiddle array for use with the function -

DSPF_sp_cfftr4_dif(FFTBuffer,PSD_W, FFT_SIZE);

When I compile my code I get the following warning -

"DATA_MEM_BANK pragma is not supported for C621x and C671x parts"

Any ideas why?

Cheers,

Joe.


Reply by Tarang Dadia ●November 1, 20042004-11-01

Joe,
I may sound obvious. But reason is that memory is not arranged in
banks in c671x and c621x. They dont have banked memory architechture.
So we cant use DATA_MEM_BANK pragma in those processors.

Tarang

On Mon, 01 Nov 2004 16:24:39 -0000, joseph_lyons_79
<> wrote:
>
>
> Hi,
>
> I'm declaring the following in my code for use on the C6711DSK -
>
> # pragma DATA_MEM_BANK( PSD_W, 2);
> const float PSD_W[1536] =
> {
> 1.000000, 0.000000, 0.999981, 0.006136, 0.999925,
> ...
> };
>
> This is my twiddle array for use with the function -
>
> DSPF_sp_cfftr4_dif(FFTBuffer,PSD_W, FFT_SIZE);
>
> When I compile my code I get the following warning -
>
> "DATA_MEM_BANK pragma is not supported for C621x and C671x parts"
>
> Any ideas why?
>
> Cheers,
>
> Joe.
>
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Reply by Bhooshan iyer ●November 2, 20042004-11-02


Joe
We had a discussion on DATA_MEM_BANK sometime back, you can refer that for
further understanding. Here is the link:

http://groups.yahoo.com/group/c6x/message/4192

--Bhooshan.N.Iyer

----Original Message Follows----
From: Tarang Dadia <>
Reply-To: Tarang Dadia <>
To: joseph_lyons_79 <>
CC:
Subject: Re: [c6x] DATA_MEM_BANK pragma warning
Date: Mon, 1 Nov 2004 11:19:15 -0800
Joe,
I may sound obvious. But reason is that memory is not arranged in
banks in c671x and c621x. They dont have banked memory architechture.
So we cant use DATA_MEM_BANK pragma in those processors.

Tarang

On Mon, 01 Nov 2004 16:24:39 -0000, joseph_lyons_79
<> wrote:
>
>
> Hi,
>
> I'm declaring the following in my code for use on the C6711DSK -
>
> # pragma DATA_MEM_BANK( PSD_W, 2);
> const float PSD_W[1536] =
> {
> 1.000000, 0.000000, 0.999981, 0.006136, 0.999925,
> ...
> };
>
> This is my twiddle array for use with the function -
>
> DSPF_sp_cfftr4_dif(FFTBuffer,PSD_W, FFT_SIZE);
>
> When I compile my code I get the following warning -
>
> "DATA_MEM_BANK pragma is not supported for C621x and C671x parts"
>
> Any ideas why?
>
> Cheers,
>
> Joe.
>
> _____________________________________
> Note: If you do a simple "reply" with your email client, only the author
of this message will receive your answer. You need to do a "reply all" if
you want your answer to be distributed to the entire group.
>
> _____________________________________
> About this discussion group:
>
> To Join: Send an email to
>
> To Post: Send an email to
>
> To Leave: Send an email to
>
> Archives: http://www.yahoogroups.com/group/c6x
>
> Other Groups: http://www.dsprelated.com
>
> Yahoo! Groups Links

_____________________________________
Note: If you do a simple "reply" with your email client, only the author of
this message will receive your answer. You need to do a "reply all" if you
want your answer to be distributed to the entire group.

_____________________________________
About this discussion group:

To Join: Send an email to

To Post: Send an email to

To Leave: Send an email to

Archives: http://www.yahoogroups.com/group/c6x

Other Groups: http://www.dsprelated.com

Yahoo! Groups Links

_________________________________________________________________
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